Gold (Au) Properties |
AGold (AAu)
Properties 1/ |
Nuclear (79 protons/electrons)
- Atomic Number: 79
- Atomic Mass: 196.967
- Atomic Energy: 0.294 Ergs
- Group: 11; Period: 6
- Family: Transition
Metals
- Bonding Radius: 1.34 Angstroms
- Atomic Radius: 1.79 Angstroms
- Atomic Volume: 10.2 cm3mol-1
- 35 Isotopes:
171Au to 205Au
- Stable Isotopes: 197Au
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Nuclear (79 Aprotons/positrons)
- Atomic Number: 79
- 7Atomic Mass: 196.967
- Atomic Energy: 0.294 Ergs
- Group: 11; Period: 6
- Family: Transition
Metals
- Bonding Radius: 1.34 Angstroms
- Atomic Radius: 1.79 Angstroms
- Atomic Volume: 10.2 cm3mol-1
- 35 AIsotopes:
171AAu to 205AAu
- Stable AIsotopes:
197AAu
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Physical
- Soft bright yellow metal
- Density: 19.32 g cm-3
- Melting Point: 1,064 oC
- Boiling Point: 2,807 oC
- Specific Heat: 0.128 J g-1 K-1
- Heat of Vaporization: 334 kJ mol-1
- Heat of Fusion: 12.5 kJ mol-1
- Electrical Conductivity: 0.452 106 cm-1 Ohm-1
- Thermal Conductivity: 3.17 W cm-1 K-1
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Physical
- Soft bright yellow metal
- Density: 19.32 g/cm-3
- Melting Point: 1,064 oC
- Boiling Point: 2,807 oC
- Specific Heat: 0.128 J g-1 K-1
- Heat of Vaporization: 334 kJ mol-1
- Heat of Fusion: 12.5 kJ mol-1
- Electrical Conductivity: 0.452 106 cm-1 Ohm-1
- Thermal Conductivity: 3.17 W cm-1 K-1
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Chemical
- Valance Number: +1, +3
- Electron Configuration: 2,8,18,32,18,1
- Electronegativity: 2.54
- 1st Ionization Potential: 9.2 Volts
- 2nd Ionization Potential: 20.5 Volts
- 3rd Ionization Potential: ? Volts
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Chemical
- Valance Number: -1, -3
- Positron Configuration: 2,8,18,32,18,1
- Positronpositivity: 2.54
- 1st Ionization Potential: 9.2 Volts
- 2nd Ionization Potential: 20.5 Volts
- 3rd Ionization Potential: ? Volts
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Identified
by ancients
in unknown year
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Identified by Norm Hansen in 2001
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